Sensitivity and environmental response of the CMS RPC gas gain   monitoring system

L. Benussi (1); S. Bianco (1); S. Colafranceschi (1,2,3); F. L. Fabbri; (1); M. Giardoni (1); B. Ortenzi (1); A. Paolozzi (1,2); L. Passamonti (1),; D. Pierluigi (1); B. Ponzio (1); A. Russo (1); A. Colaleo (4); F. Loddo (4),; M. Maggi (4); A. Ranieri (4); M. Abbrescia (4,5); G. Iaselli (4,5); B.; Marangelli (4,5); S. Natali (4,5); S. Nuzzo (4,5); G. Pugliese (4,5); F.; Romano (4,5); G. Roselli (4,5); R. Trentadue (4,5); S. Tupputi (4,5); R.; Guida (3); G. Polese (3,6); A. Sharma (3); A. Cimmino (7,8); D. Lomidze (8),; D. Paolucci (8); P. Piccolo (8); P. Baesso (9); M. Necchi (9); D. Pagano (9),; S. P. Ratti (9); P. Vitulo (9); C. Viviani (9); ((1) INFN Laboratori; Nazionali di Frascati; (2) Universit\`a degli Studi di Roma "La Sapienza",; (3) CERN; (4) INFN Sezione di Bari; (5) Dipartimento Interateneo di Fisica di; Bari; (6) Lappeenranta University of Technology; (7) INFN Sezione di Napoli,; (8) Universit\`a di Napoli Federico II; (9) INFN Sezione di Pavia.)

arXiv:0812.1710·physics.ins-det·August 17, 2009

Sensitivity and environmental response of the CMS RPC gas gain monitoring system

L. Benussi (1), S. Bianco (1), S. Colafranceschi (1,2,3), F. L. Fabbri, (1), M. Giardoni (1), B. Ortenzi (1), A. Paolozzi (1,2), L. Passamonti (1),, D. Pierluigi (1), B. Ponzio (1), A. Russo (1), A. Colaleo (4), F. Loddo (4),, M. Maggi (4), A. Ranieri (4), M. Abbrescia (4,5)

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TL;DR

This paper presents the CMS RPC gas gain monitoring system, which quickly detects shifts in detector performance caused by gas mixture variations, ensuring stable operation of the muon detector at the LHC.

Contribution

It introduces a novel monitoring system that provides rapid and precise detection of gas gain changes in RPC chambers during LHC operations.

Findings

01

The GGM system effectively detects gas gain shifts in real-time.

02

It ensures stable detector performance amidst gas mixture variations.

03

The system enhances the reliability of muon detection at CMS.

Abstract

Results from the gas gain monitoring (GGM) system for the muon detector using RPC in the CMS experiment at the LHC is presented. The system is designed to provide fast and accurate determination of any shift in the working point of the chambers due to gas mixture changes.

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